Research Agreements	9 Months Ended
Research Agreements	Sep. 30, 2016
Research and Development [Abstract]
Research Agreements	Research Agreements Abaloparatide-SC Phase 3 Clinical Extension Study The Company entered into agreements with Nordic to conduct its Phase 3 clinical trial of abaloparatide-SC (the "Phase 3 Clinical Trial"). On February 21, 2013, the Company entered into a Work Statement NB-3 with Nordic, as amended on February 28, 2014, March 23, 2015, July 8, 2015, October 21, 2015 and January 15, 2016 (the “Work Statement NB-3”). Pursuant to the Work Statement NB-3, Nordic performed an extension study to evaluate six months of standard-of-care osteoporosis management following the completion of the Phase 3 Clinical Trial (the “Extension Study”), and, upon completion of the Extension Study, an additional period of 18 months of standard-of-care osteoporosis management (the “Second Extension Period”). In April 2015, the Company entered into an amendment to the Work Statement NB-3 (the “NB-3 Amendment”). The NB-3 Amendment was effective as of March 23, 2015 and provides that Nordic will perform additional services, including additional monitoring of patients enrolled in the Second Extension Period. Payments in cash to be made to Nordic under the NB-3 Amendment are denominated in euros and total up to approximately €4.1 million ($4.6 million). Payments in cash to be made to Nordic under the Work Statement NB-3 are denominated in both euros and U.S. dollars and total up to €11.9 million ($13.3 million) and $1.1 million, respectively. In addition, payments were due to Nordic in connection with the Work Statement NB-3 pursuant to the Stock Issuance Agreement entered into between the Company and Nordic, as amended and restated on May 16, 2011, and as further amended on February 21, 2013, March 28, 2014, and May 19, 2014. As of September 30, 2016, services related to the Second Extension Period are ongoing. All obligations due to Nordic in relation to the Extension Study were paid as of September 30, 2015. The Company recognizes research and development expense for the amounts due to Nordic under the Extension Study and the Second Extension Period ratably over the estimated per patient treatment periods beginning upon enrollment, or over a nine-month and 19-month period, respectively. The Company recorded $0.7 million and $1.5 million for the three months ended September 30, 2016 and 2015, respectively, and $2.6 million and $4.1 million for the nine months ended September 30, 2016 and 2015, respectively, for per patient costs incurred. As of September 30, 2016, the Company had a liability of $2.2 million reflected in accrued expenses and other current liabilities on the condensed consolidated balance sheet resulting from services provided by Nordic under the Second Extension Period, which are payable in cash.

The entire disclosure for research, development, and computer software activities, including contracts and arrangements to be performed for others and with federal government. Includes costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility and in-process research and development acquired in a business combination consummated during the period.